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Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

64°F

18°C

Humidity 68%
Wind Speed SW 7 mph
Barometer 29.87 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Jun 10:23 pm CDT
Extended Forecast for

Princeton IL

  • Tonight

    Tonight: Mostly clear, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 76. Breezy, with a southwest wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 76 °F

    Chance
    T-storms then
    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. West wind 10 to 15 mph becoming southwest 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 77. Breezy, with a southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 77 °F

    Showers then
    Heavy Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Partly cloudy, with a low around 60. Breezy. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 76. Breezy, with a southwest wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 54. West wind 10 to 15 mph becoming southwest 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Wednesday
Showers, with thunderstorms also possible after 10am. Some of the storms could produce heavy rainfall. High near 77. Breezy, with a southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Partly cloudy, with a low around 60. Breezy. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 54.
Juneteenth
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 56.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
A 40 percent chance of showers. Partly cloudy, with a low around 60.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 79.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Princeton IL
 41.37°N 89.46°W (Elev. 709 ft)
Last Update:
8:01 pm CDT Jun 15, 2026
Forecast Valid:
10pm CDT Jun 15, 2026-6pm CDT Jun 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation